Gerber Thomas C, Breen Jerome F, Kuzo Ronald S, Kantor Birgit, Williamson Eric E, Safford Robert E, Morin Richard L
Division of Cardiovascular Diseases, Mayo Clinic, Jacksonville, FL 32224, USA.
Semin Ultrasound CT MR. 2006 Feb;27(1):42-55. doi: 10.1053/j.sult.2005.11.005.
Computed tomographic coronary angiography (CT-CA) is a direct but minimally invasive method of visualizing coronary arteries. Multidetector-row computed tomography (MDCT) is currently the CT modality most commonly used for coronary artery imaging. MDCT has been successfully used to detect stenoses in coronary arteries and coronary artery bypass grafts and to assess congenital coronary anomalies. Patients should not undergo CT-CA with MDCT if they have an irregular heart rhythm, a heart rate greater than 70 beats/min, and contraindications to pharmacologic agents for heart rate control, or if they have severe coronary artery disease or are likely to require revascularization.
计算机断层扫描冠状动脉造影（CT-CA）是一种直接但微创的冠状动脉可视化方法。多排探测器计算机断层扫描（MDCT）是目前最常用于冠状动脉成像的CT模式。MDCT已成功用于检测冠状动脉和冠状动脉搭桥移植物中的狭窄，并评估先天性冠状动脉异常。如果患者有不规则心律、心率大于70次/分钟、存在心率控制药物的禁忌证，或者患有严重冠状动脉疾病或可能需要血运重建，则不应接受MDCT的CT-CA检查。
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